<template>
  <div>
    <typeNav />
    <div class="main">
      <div class="py-container">
        <!--bread -->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的名字面包屑 -->
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName()">×</i></li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i @click="removeKeyword()">×</i>
            </li>
            <!-- 点击品牌的面包屑 -->
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(':')[1] }}<i
                @click="removeTrademark()">×</i></li>
            <!-- 点击手机属性的面包屑 -->
            <li class="with-x" v-show="searchParams.props.length" v-for="(item, index) in searchParams.props"
              :key="`${item.split(':')[0]}-${item.split(':')[1]}`">{{ item.split(':')[1] }}<i
                @click="removeTmname(index)">×</i></li>
          </ul>
        </div>


        <!--selector-->
        <!--  @receiveTrade="handelNewTrademark" 不用在handelNewTrademark这里写（newValue） 接收子组件传递过来的品牌 -->
        <SearchSelector @receiveTrade="handelNewTrademark" @receiveAttrName="receiveAttrName" />
        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 通过传入的参数 '1'或者'2'判断点击的是综合还是价格 -->
                <li @click="changeOrder('1')" :class="{ active: searchParams.order.indexOf('1') != -1 }">
                  <a>综合
                    <span v-show="searchParams.order.indexOf('1') != -1" class="iconfont"
                      :class="{ 'icon-upload': searchParams.order.includes('asc'), 'icon-DOWN': searchParams.order.includes('desc') }">
                    </span>
                  </a>
                </li>
                <li @click="changeOrder('2')" :class="{ active: searchParams.order.indexOf('2') != -1 }">
                  <a>价格
                    <span v-show="searchParams.order.indexOf('2') != -1" class="iconfont"
                      :class="{ 'icon-upload': searchParams.order.includes('asc'), 'icon-DOWN': searchParams.order.includes('desc') }">
                    </span>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(good) in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="#" title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">{{ good.title
                      }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>{{ good.hotScore }}</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>

            </ul>
          </div>
          <!-- 父组件分页器组件调用  -->
          <div class="pagination-center">
            <MyPagination :total="searchList.total || 0" :current-page="searchParams.pageNo"
              :page-size="searchParams.pageSize" @page-change="handlePageChange" />
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector'
import { mapActions, mapState, mapGetters } from 'vuex';

export default {
  name: 'SearchIndex',
  components: {
    SearchSelector
  },
  data() {
    return {
      //带给服务器参数
      searchParams: {
        //一级分类的ID
        category1Id: "",
        //二级分类的id
        category2Id: "",
        //三级分类的id
        category3Id: "",
        //分类名字
        categoryName: "",
        //关键字
        keyword: "",
        //排序 asc升序，desc降序
        order: "1:desc",
        //分页器用的：代表的是当前是第几页
        pageNo: 1,
        //代表的是每一页展示数据个数
        pageSize: 4,
        //平台售卖属性操作带的参数
        props: [],
        //品牌
        trademark: "",

      }

    }
  },
  computed: {
    ...mapState('homeSearch', ['searchList']),
    ...mapGetters('homeSearch', ['goodsList']),
  },
  methods: {
    ...mapActions('homeSearch', ['setSearchList']),
    //navList导航：综合那一块/*  setActive(index) {  this.activeIndex = index}, */
    //分页器逻辑
    // 统一处理分页变化
    handlePageChange(newPage, newSize) {
      // 更新本地参数
      this.searchParams.pageNo = newPage
      this.searchParams.pageSize = newSize
      console.log('父组件接收的分页参数:', this.searchParams) // 调试输出
      // 发起数据请求
      this.setSearchList(this.searchParams)
    },

    //升序降序
    changeOrder(flag) {
      console.log('查看一下点击的导航名称：' + flag);
      let currentOrder = this.searchParams.order
      let currentFlag = currentOrder.split(':')[0]//为'1'代表综合，为'2'代表价格
      let currentSort = currentOrder.split(':')[1]
      console.log(currentFlag, currentSort);
      //准备一个新的order属性
      let newOrder = ''
      //多次点击的是同一个导航，就切换升序降序
      if (currentFlag == flag) {
        newOrder = `${currentFlag}:${currentSort == "desc" ? "asc" : 'desc'}`
        console.log(currentOrder, newOrder);

      } else {
        //点击的是不同的道行
        newOrder = `${flag}:${'desc'}`
        console.log(newOrder);
      }
      //更新order的值
      this.searchParams.order = newOrder
      this.setSearchList(this.searchParams)
    },
    //重置
    resetCategoryIds() {
      this.searchParams.category1Id = '';
      this.searchParams.category2Id = '';
      this.searchParams.category3Id = '';
    },
    //删除分类名字
    removeCategoryName() {
      //把带给服务器的参数置空了，还需要向服务器发请求
      //带给服务器参数说明可有可无的：如果属性值为空的字符串还是会把相应的字段给服务器
      //但是如果把相应字段变为undefined,当前这个字段不会带给服务器
      this.searchParams.categoryName = ''
      this.searchParams.category1Id = '';
      this.searchParams.category2Id = '';
      this.searchParams.category3Id = '';
      //再次调用传参获取数据
      this.setSearchList(this.searchParams)
      //地址栏也需要改：进行路由跳转（现在的路由跳转只是跳转到自己这里）
      // 严谨：本意是删除query,如果路径当中出现params(搜索那里搜的)不应该删除，路由跳转的时候应该带着
      if (this.$route.params) {
        this.$router.push({ name: 'search', params: this.$route.params })
      }
    },
    // × 删除关键字
    removeKeyword() {
      this.searchParams.keyword = ''
      //通知兄弟组件header清除input的value
      this.$bus.$emit('clear')

      //再次调用传参获取数据
      this.setSearchList(this.searchParams)
      if (this.$route.query) {
        this.$router.push({ name: 'search', query: this.$route.query })
      }
    },
    // × 删除品牌
    removeTrademark() {
      this.searchParams.trademark = ''
      //再次调用传参获取数据
      this.setSearchList(this.searchParams)
    },
    //× 删除商品点击的属性
    removeTmname(index) {
      this.searchParams.props.splice(index, 1)
      //再次调用传参获取数据
      this.setSearchList(this.searchParams)
    },
    //接收子组件传递过来的品牌和品牌id
    handelNewTrademark(Trademark) {
      console.log('父组件接收的品牌：');
      this.searchParams.trademark = `${Trademark.tmId}:${Trademark.tmName}`
      this.setSearchList(this.searchParams)
    },
    //接收子组件传递过来的 平台属性
    //商品属性的数组: ["属性ID:属性值:属性名"]
    //示例: ["2:6.0～6.24英寸:屏幕尺寸"]
    receiveAttrName(attrList, attrValue) {
      console.log('打印点击的参数attrList,attrValue:');

      console.log(attrList, attrValue);
      //参数格式整理好
      let props = `[${attrList.attrId}:${attrValue}:${attrList.attrName}]`
      if (this.searchParams.props.indexOf(props) == -1) this.searchParams.props.push(props); // 用 unshift 让新属性显示在前面
      console.log(this.searchParams.props);

      //再次调用仓库里的actions方法重新获取数据
      this.setSearchList(this.searchParams)
      // 🔧 避免重复跳转当前路由
      /*   if (this.$route.path !== '/search') {
          this.$router.push('/search');
        } */
    }
  },

  //在挂载之前调用一次 | 可以在发请求之前将带有参数进行修改
  beforeMount() {
    //把从home页面传入给search页面的参数和searchParams合并一下
    //在发请求之前，把接口需要传递参数，进行整理（在给服务器发请求之前，把参数整理好，服务器就会返回查询的数据）
    Object.assign(this.searchParams, this.$route.params, this.$route.query)
  },
  async mounted() {
    //在发请求之前我们需要将searchParams里面参数进行修改带给服务器
    console.log('打印一下searchParams参数：');
    console.log(this.searchParams);


    await this.setSearchList(this.searchParams)
    console.log(`测试一下$route:`);
    console.log(this.$route);
    console.log('测试一下三级路由跳转传递的goodsList:');
    console.log(this.goodsList);



  },
  //：数据监听：监听组件实例身上的属性的属性值变化
  watch: {
    $route: {
      handler(newVal) {
        //置空传入的id
        this.resetCategoryIds()
        console.log('监听$route变化', newVal)
        Object.assign(this.searchParams, newVal.params, newVal.query)
        this.setSearchList(this.searchParams)
      },
      immediate: true
    }
  }

}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .pagination-center {
        display: flex;
        justify-content: center;
        margin-top: 20px;
      }
    }
  }
}
</style>